/**
 * @author harry
 * @date 2022/3/6/22:24
 */

package com.serviceOrchestration.advice;

import com.alibaba.fastjson.JSON;
import com.serviceOrchestration.pojo.ReturnData;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice("com.serviceOrchestration.controller")
public class ResponseAdvice implements ResponseBodyAdvice<Object> {
    @Override
    public boolean supports(MethodParameter returnType, Class converterType) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if(body instanceof String) {
            return JSON.toJSONString(ReturnData.ok(body));
        }
        if(body instanceof ReturnData) {
            return body;
        }
        return ReturnData.ok(body);
    }
}
